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/*
Copyright (c) 2012-2012 Red Hat, Inc. <http://www.redhat.com>
This file is part of GlusterFS.
This file is licensed to you under your choice of the GNU Lesser
General Public License, version 3 or any later version (LGPLv3 or
later), or the GNU General Public License, version 2 (GPLv2), in all
cases as published by the Free Software Foundation.
*/
#ifndef __RPC_SYNCOP_H
#define __RPC_SYNCOP_H
#include "syncop.h"
#include "glusterd-sm.h"
#include "glusterd.h"
#define GD_SYNC_OPCODE_KEY "sync-mgmt-operation"
/* gd_syncop_* */
#define GD_SYNCOP(rpc, stb, cookie, cbk, req, prog, procnum, xdrproc) do { \
int ret = 0; \
struct synctask *task = NULL; \
glusterd_conf_t *conf= THIS->private; \
\
task = synctask_get (); \
stb->task = task; \
\
/*This is to ensure that the brick_op_cbk is able to \
* take the big lock*/ \
synclock_unlock (&conf->big_lock); \
ret = gd_syncop_submit_request (rpc, req, stb, cookie, \
prog, procnum, cbk, \
(xdrproc_t)xdrproc); \
if (!ret) \
synctask_yield (stb->task); \
synclock_lock (&conf->big_lock); \
} while (0)
#define list_for_each_local_xaction_peers(xact_peer, xact_peers_head) \
glusterd_local_peers_t *pos = NULL; \
for (pos = cds_list_entry ((xact_peers_head)->next, \
glusterd_local_peers_t, op_peers_list), \
xact_peer = pos->peerinfo; \
&pos->op_peers_list != (xact_peers_head); \
pos = cds_list_entry(pos->op_peers_list.next, \
glusterd_local_peers_t, op_peers_list), \
xact_peer = pos->peerinfo)
int gd_syncop_submit_request (struct rpc_clnt *rpc, void *req, void *local,
void *cookie, rpc_clnt_prog_t *prog, int procnum,
fop_cbk_fn_t cbkfn, xdrproc_t xdrproc);
int gd_syncop_mgmt_lock (glusterd_peerinfo_t *peerinfo, struct syncargs *arg,
uuid_t my_uuid, uuid_t recv_uuid);
int gd_syncop_mgmt_unlock (glusterd_peerinfo_t *peerinfo, struct syncargs *arg,
uuid_t my_uuid, uuid_t recv_uuid);
int gd_syncop_mgmt_stage_op (glusterd_peerinfo_t *peerinfo,
struct syncargs *arg, uuid_t my_uuid,
uuid_t recv_uuid, int op, dict_t *dict_out,
dict_t *op_ctx);
int gd_syncop_mgmt_commit_op (glusterd_peerinfo_t *peerinfo,
struct syncargs *arg, uuid_t my_uuid,
uuid_t recv_uuid, int op, dict_t *dict_out,
dict_t *op_ctx);
void
gd_synctask_barrier_wait (struct syncargs *args, int count);
int
gd_build_peers_list (struct cds_list_head *peers,
struct cds_list_head *xact_peers, glusterd_op_t op);
int
gd_build_local_xaction_peers_list (struct cds_list_head *peers,
struct cds_list_head *xact_peers,
glusterd_op_t op);
void
gd_cleanup_local_xaction_peers_list (struct cds_list_head *peers);
int
gd_brick_op_phase (glusterd_op_t op, dict_t *op_ctx, dict_t *req_dict,
char **op_errstr);
int
glusterd_syncop_aggr_rsp_dict (glusterd_op_t op, dict_t *aggr, dict_t *rsp);
void
gd_syncargs_init (struct syncargs *args, dict_t *op_ctx);
#endif /* __RPC_SYNCOP_H */
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